In a Normal distribution, approximately 68% of the data will occur within:
OPTIONS
- +/- 2 standard deviation
- +/- 1 standard deviation
- +/- 3 standard deviation
- Outside the bell-shaped curve
ANSWER
+/- 1 standard deviation
EXPLANATION
In a normal distribution, the area under +/- 1 standard deviation covers approx. 68% of the data.
